Home / 103,429.41-142,637.81-67,093.01

Finding the Fourth Proportional to 103,429.41, 142,637.81 and 67,093.01

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Solution

The fourth proportional to 103,429.41, 142,637.81 and 67,093.01 is: 92,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,429.41 : 142,637.81 = 67,093.01 : x
  2. Step 2: Convert to fraction form
    103,429.41/142,637.81 = 67,093.01/x
  3. Step 3: Cross multiply
    103,429.41x = 142,637.81 × 67,093.01
  4. Step 4: Simplify right side
    103,429.41x = 9,569,999,876.34
  5. Step 5: Solve for x
    x = 9,569,999,876.34/103,429.41
  6. Step 6: Final answer
    x = 92,526.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.